| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANBAR PUBLICATIONS LIMITED | 02038335 | 26/11/1991 | Dissolved |
| ASLIB INFORMATION LIMITED | 07147645 | 01/01/2011 | Dissolved |
| Chase Advanced Technologies Ltd | 02240768 | 06/12/1996 | Dissolved |
| MANAGEMENTFIRST.COM LIMITED | 00689578 | 14/09/1998 | Dissolved |
| MCB UNIVERSITY PRESS LIMITED | 00898922 | 09/10/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EMERALD GROUP HOLDINGS LIMITED | 03599896 | 12/08/1998 | 01/07/2021 | Silver |
| EMERALD PUBLISHING LIMITED | 03080506 | 17/07/1995 | 31/12/2005 | Gold |
| LEEDS HERITAGE THEATRES | 00978161 | 01/04/2009 | 21/09/2016 | Silver |
| LEEDS RUGBY FOUNDATION | 03364718 | 01/02/2010 | 07/03/2011 | Gold |
| LIFE EDUCATION (BRADFORD) LIMITED | 02474511 | 11/02/1999 | 12/08/2021 | Silver |
| VIRTUAL COLLEGE GROUP LIMITED | 03919407 | 02/05/2000 | 23/11/2006 | Dissolved |
| VIRTUAL COLLEGE LIMITED | 03052439 | 20/06/1999 | 29/03/2001 | One Red Flag |
| WEST AND NORTH YORKSHIRE CHAMBER OF COMMERCE AND INDUSTRY | 00054940 | 22/07/1996 | 10/07/2000 | Gold |